<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
  <script src="https://unpkg.com/axios/dist/axios.min.js"></script>
</head>

<body>
  <h1>cors跨域</h1>
  <button id="btn">发送请求</button>
  <script>
     const oBtn2 = document.getElementById('btn')
    oBtn2.onclick = async function(){
    const re = await axios.get('http://127.0.0.1:3000/userInfo',{
        params: {
          userId: '001'
        }
      })
      console.log(re);
    }
    // const oBtn1 = document.getElementById('btn')
    // oBtn1.onclick = async function(){
    // const re = await axios.get('http://127.0.0.1:3000/userInfo',{
    //     params: {
    //       userId: '001'
    //     }
    //   })
    //   console.log(re);
    // }
    // const oBtn = document.getElementById('btn');
    // oBtn.onclick = async function () {
    //   axios.get("http://127.0.0.1:3000/userInfo", {
    //     params: {
    //       userId: "001"
    //     }
    //   })
    // }
  </script>
</body>

</html>